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Re: [APML] 23a filter

You can have the 49mm filter reground to fit a 48mm holder , at any good eyeglass place.
Ted

Ted Agos
Acorn Hollow Obs.
Sutton Ma.
tagos@holycross.edu
ASTRO Home page
http://carver.holycross.edu/~tagos/astro.htm
WEATHER LINKS
http://carver.holycross.edu/~tagos/
NEWMOUNT Link
http://carver.holycross.edu/~tagos/NewMount.htm

>>> bobm@koyote.com 06/12/00 01:48PM >>>
Can someone give me a source for a 48mm size 23a filter? I can get a 25a
from B&H but I would prefer the 23a. Are there other options to the 23a and
25a for tri-color work? I've got a 49mm 23a but it won't fit into my set-up.
Bobby Middleton


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